Cisco Cisco Packet Data Interworking Function (PDIF) Guía Para Resolver Problemas
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ASN Gateway Overview
ASN Call Procedure Flows ▀
Cisco ASR 5000 Series Access Service Network Gateway Administration Guide ▄
OL-22953-01
Step
Description
10
Target non-anchor ASN Gateway forwards the Path Registration Acknowledge message to the anchor ASN Gateway.
11
Target non-anchor ASN Gateway sends/receives CMAC Key Count Update and Acknowledge messages to/from anchor
ASN Gateway.
ASN Gateway.
12
Target ASN BS sends a Handover Complete message to the serving ASN BS.
13
Anchor ASN Gateway sends/receives Path De-Reg Req/Rsp/Ack messages (to release the data path) to/from Serving BS.
14
R6 GRE data path terminated between Serving ASN BS and Anchor ASN Gateway.
Uncontrolled Anchor ASN Gateway to Non-Anchor ASN Gateway Handover
The following figure and table provides a high-level view of the steps involved in an uncontrolled inter-ASN Gateway
handover of an SS/MS from an anchored gateway to a non-anchored gateway.
handover of an SS/MS from an anchored gateway to a non-anchored gateway.